/* ===== Base ===== */

body {
    max-width: 800px;
    margin: 40px auto;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI",
                 Roboto, Helvetica, Arial, sans-serif;
    line-height: 1.6;
    color: #222;
    padding: 0 20px;
}

/* ===== Título principal ===== */

h1 {
    text-align: center;
    margin-bottom: 2em;
}

/* ===== Años ===== */

h2 {
    margin-top: 2.5em;
    border-bottom: 2px solid #444;
    padding-bottom: 0.3em;
}

/* ===== Sesiones ===== */

.session {
    margin: 1.5em 0;
    padding-left: 1em;
    border-left: 3px solid #bbb;
}

.session h3 {
    margin-bottom: 0.4em;
    font-weight: 600;
}

/* ===== Listas internas ===== */

.session ul {
    margin-top: 0.3em;
}

.session li {
    margin-bottom: 0.2em;
}

/* ===== Opcional: efecto sutil hover ===== */

.session:hover {
    border-left-color: #000;
    background-color: #fafafa;
}

.site-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    margin-bottom: 3em;
}

.logo {
    max-height: 120px;
}

.site-header h1 {
    margin: 0;
}